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 * The Universal Permissive License (UPL), Version 1.0
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 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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package com.oracle.truffle.nfi;

import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.GenerateAOT;
import com.oracle.truffle.api.dsl.GenerateCached;
import com.oracle.truffle.api.dsl.GenerateInline;
import com.oracle.truffle.api.dsl.GenerateUncached;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.interop.UnsupportedTypeException;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.nfi.NFIType.TypeCachedState;

@GenerateAOT
abstract class ConvertTypeNode extends Node {

    abstract Object execute(NFIType type, Object value) throws UnsupportedTypeException;

    @GenerateUncached
    @GenerateInline(true)
    @GenerateCached(false)
    @GenerateAOT
    abstract static class ConvertToNativeNode extends Node {

        abstract Object executeInlined(Node node, NFIType type, Object value) throws UnsupportedTypeException;

        @Specialization(guards = "type.cachedState == cachedState", limit = "3")
        Object doCached(NFIType type, Object value,
                        @SuppressWarnings("unused") @Cached("type.cachedState") TypeCachedState cachedState,
                        @Cached(value = "cachedState.createToNative()", inline = false) ConvertTypeNode convertImpl) throws UnsupportedTypeException {
            return convertImpl.execute(type, value);
        }

        @Specialization(replaces = "doCached")
        Object doGeneric(NFIType type, Object value) throws UnsupportedTypeException {
            return type.cachedState.toNativeFactory.getUncachedInstance().execute(type, value);
        }
    }

    @GenerateUncached
    @GenerateInline(true)
    @GenerateCached(false)
    @GenerateAOT
    abstract static class ConvertFromNativeNode extends Node {

        abstract Object executeInlined(Node node, NFIType type, Object value) throws UnsupportedTypeException;

        @Specialization(guards = "type.cachedState == cachedState", limit = "3")
        Object doCached(NFIType type, Object value,
                        @SuppressWarnings("unused") @Cached("type.cachedState") TypeCachedState cachedState,
                        @Cached(value = "cachedState.createFromNative()", inline = false) ConvertTypeNode convertImpl) throws UnsupportedTypeException {
            return convertImpl.execute(type, value);
        }

        @Specialization(replaces = "doCached")
        Object doGeneric(NFIType type, Object value) throws UnsupportedTypeException {
            return type.cachedState.fromNativeFactory.getUncachedInstance().execute(type, value);
        }
    }
}
